[INFO] crate lynx 0.2.0 is already in cache
[INFO] checking lynx-0.2.0 against master#4007d4ef26eab44bdabc2b7574d032152264d3ad for pr-66919
[INFO] extracting crate lynx 0.2.0 into /workspace/builds/worker-6/source
[INFO] validating manifest of crates.io crate lynx 0.2.0 on toolchain 4007d4ef26eab44bdabc2b7574d032152264d3ad
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "read-manifest" "--manifest-path" "Cargo.toml"`
[INFO] started tweaking crates.io crate lynx 0.2.0
[INFO] finished tweaking crates.io crate lynx 0.2.0
[INFO] tweaked toml for crates.io crate lynx 0.2.0 written to /workspace/builds/worker-6/source/Cargo.toml
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "generate-lockfile" "--manifest-path" "Cargo.toml" "-Zno-index-update"`
[INFO] running `"/workspace/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "fetch" "--locked" "--manifest-path" "Cargo.toml"`
[INFO] [stderr]     Blocking waiting for file lock on package cache
[INFO] running `"docker" "create" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/target:/opt/rustwide/target:rw,Z" "-v" "/var/lib/crater-agent-workspace/builds/worker-6/source:/opt/rustwide/workdir:ro,Z" "-v" "/var/lib/crater-agent-workspace/cargo-home:/opt/rustwide/cargo-home:ro,Z" "-v" "/var/lib/crater-agent-workspace/rustup-home:/opt/rustwide/rustup-home:ro,Z" "-e" "SOURCE_DIR=/opt/rustwide/workdir" "-e" "MAP_USER_ID=0" "-e" "CARGO_TARGET_DIR=/opt/rustwide/target" "-e" "CARGO_INCREMENTAL=0" "-e" "RUST_BACKTRACE=full" "-e" "RUSTFLAGS=--cap-lints=forbid" "-e" "CARGO_HOME=/opt/rustwide/cargo-home" "-e" "RUSTUP_HOME=/opt/rustwide/rustup-home" "-w" "/opt/rustwide/workdir" "-m" "1610612736" "--network" "none" "rustops/crates-build-env" "/opt/rustwide/cargo-home/bin/cargo" "+4007d4ef26eab44bdabc2b7574d032152264d3ad" "check" "--frozen" "--all" "--all-targets"`
[INFO] [stdout] af0182c916dcdff37aefb1cf3818ef22af18036369243dacda9226ee17cd37bb
[INFO] [stderr] WARNING: Your kernel does not support swap limit capabilities or the cgroup is not mounted. Memory limited without swap.
[INFO] running `"docker" "start" "-a" "af0182c916dcdff37aefb1cf3818ef22af18036369243dacda9226ee17cd37bb"`
[INFO] [stderr]     Checking lynx v0.2.0 (/opt/rustwide/workdir)
[INFO] [stderr] warning: unused `encoding_rs::CoderResult` in tuple element 0 that must be used
[INFO] [stderr]    --> src/streams.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.decoder.decode_to_string(&[], &mut self.output, true);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr] warning: unused `encoding_rs::CoderResult` in tuple element 0 that must be used
[INFO] [stderr]    --> src/streams.rs:112:9
[INFO] [stderr]     |
[INFO] [stderr] 112 |         self.decoder.decode_to_string(&[], &mut self.output, true);
[INFO] [stderr]     |         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
[INFO] [stderr]     |
[INFO] [stderr]     = note: `#[warn(unused_must_use)]` on by default
[INFO] [stderr] 
[INFO] [stderr]     Finished dev [unoptimized + debuginfo] target(s) in 2.65s
[INFO] running `"docker" "inspect" "af0182c916dcdff37aefb1cf3818ef22af18036369243dacda9226ee17cd37bb"`
[INFO] running `"docker" "rm" "-f" "af0182c916dcdff37aefb1cf3818ef22af18036369243dacda9226ee17cd37bb"`
[INFO] [stdout] af0182c916dcdff37aefb1cf3818ef22af18036369243dacda9226ee17cd37bb